<template>
  <div class="login_container">
    <div class="login_box">
      <!--   头像  -->
      <div class="avatar_box">
        <img src="../assets/logo.png" alt="">
      </div>
      <!-- 登录表单区域  -->
      <el-form ref="loginFormRef" :model="loginForm" :rules="loginFormRules" label-width="0px" class="login_form">
        <!-- 用户名       -->
        <el-form-item prop="username">
          <el-input v-model="loginForm.username" prefix-icon="iconfont icon-user"></el-input>
        </el-form-item>
        <!-- 密码       -->
        <el-form-item prop="password">
          <el-input v-model="loginForm.password" prefix-icon="iconfont icon-3702mima" type="password"></el-input>
        </el-form-item>
        <!-- 按钮区域        -->
        <el-form-item class="btns">
          <el-button type="primary" @click="Login">登录</el-button>
          <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
import qs from 'qs'
export default {
  name: 'Login',
  data () {
    return {
      // 这个是登录表单数据绑定
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      // 这是表单的验证规则对象
      loginFormRules: {
        // 验证用户名是否合法
        username: [
          {
            required: true,
            message: '请输入登录名称',
            trigger: 'blur'
          },
          {
            min: 3,
            max: 10,
            message: '长度在 3 到 10 个字符',
            trigger: 'blur'
          }
        ],
        // 验证密码是否合法
        password: [
          {
            required: true,
            message: '请输入登录密码',
            trigger: 'blur'
          },
          {
            min: 6,
            message: '长度在 6 到 15 个字符',
            trigger: 'blur'
          }
        ]
      }
    }
  },
  methods: {
    // 点击重置按钮，重置登录表单
    resetLoginForm () {
      console.log(this)
      this.$refs.loginFormRef.resetFields()
    },
    Login () {
      this.$refs.loginFormRef.validate(valid => {
        console.log(valid)
        if (valid) {
          // console.log(valid)
          this.$http.post('/api/mgr/signin', qs.stringify(this.loginForm)).then(async res => {
            console.log(res)
            if (res.status !== 200 ) return this.$message.error('登录失败')
            this.$message.success('登录成功')
            // 将session保存到sessionStorage
            window.sessionStorage.setItem( 'session', res.data.session)
            window.sessionStorage.setItem( 'username', res.data.username)
            const queryInfo = {
              username: res.data.username,
              action: 'list'
            }
            const { data: user } = await this.$http.get('/api/mgr/rsUser', { params: queryInfo })
            window.sessionStorage.setItem( 'userid', user.data.id)
            // 页面跳转
            return this.$router.push('/home')
          })
        } else {
          return this.$message.error('登录失败')
        }
      })
    }
  }
}
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}

.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);

  .avatar_box {
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;

    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
}

.login_form {
  position: absolute;
  width: 100%;
  bottom: 0px;
  padding: 0 20px;
  box-sizing: border-box;
}

.btns {
  display: flex;
  justify-content: flex-end;
}
</style>
